/*
 * Copyright (C) 2010-2011 Pedro J Rivera
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 */

package com.examples.swing.resources;

import java.net.URL;
import java.util.HashMap;
import java.util.Map;

import javax.swing.ImageIcon;

/**
 * Utility class to allow easy access to image resources
 */
public class Images {
    private static Map<URL, ImageIcon> imageIconMap = new HashMap<URL, ImageIcon>();
    
	/**
	 * get() 
	 * @param name
	 * @return URL
	 */
	public static URL get(String name) {
        return Images.class.getResource(name);
    }
	
	/**
	 * Get an icon image
	 */
	public static ImageIcon getImageIcon(String file) {
		ImageIcon image = imageIconMap.get(get(file));		
		if (image == null) {
			try {
				image = new ImageIcon(get(file));
				imageIconMap.put(get(file), image);
			} catch (Exception e) {
				image = null;
			}			
		}
		return image;
	}

}
